American Contractors Exam Services instructor leading a contractor exam prep seminar with students using reference books
Live instruction, book tabbing, and exam-focused practice.
Custom Training Available NV HVAC / Mechanical Dates Available Course Retake Support

Nevada Refrigeration Contractor (C-21A)

This license allows the construction, erection and installation of devices, machinery and units for the control of air temperatures below 50 degrees (F) in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit’s device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units.

American Contractors Exam Services classroom seminar with instructor teaching contractors
Seminar Format

What Is Included in Your Seminar

  • Required-book list and tabbing guidance
  • American Contractors Exam Services study guide and workbook
  • Book navigation workshop
  • Practice questions and timing strategy
  • Instructor support during class
  • Post-registration support from American Contractors Exam Services

Required Books

Add All Required Books to Cart ($431.95)

Additional Services

Ready to Register?

Choose a live date above or call American Contractors Exam Services to confirm the right seminar, book bundle, and exam path.

What Past Attendees Say

This two day course was the missing link I needed to pass the general contractors exam.
Jason C.
5-star Google review
With the help of their exam prep seminar I passed the licensing exam on the first try!
Jim C.
5-star Google review
I have taken classes here and they are worth it! All their instructors were very knowledgeable and helpful.
Amy G.
5-star Google review